how to send raw data to printer in java

1. import java.io.ByteArrayInputStream;  
2. import java.io.InputStream;  

1. import javax.print.Doc;  
2. import javax.print.DocFlavor;  
3. import javax.print.DocPrintJob;  
4. import javax.print.PrintService;  
5. import javax.print.PrintServiceLookup;  
6. import javax.print.SimpleDoc;  
7. public class MyPrintTest {  
8. public void executePrint(String sample){  
9. //data for printing  
10. String data = sample;  
11. try {  
12. //locate printer  
13. PrintService printService = PrintServiceLookup.lookupDefaultPrintService();  
14. System.out.println("Printer online: "+printService);  
15. //create a print job  
16. DocPrintJob job = printService.createPrintJob();  
17. //define the format of print document  
18. InputStream is = new ByteArrayInputStream(data.getBytes());  
19. DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;  
20. //print the data  
21. Doc doc = new SimpleDoc(is, flavor, null);  
22. job.print(doc, null);  
23. is.close();  
24. System.out.println("Printing Done!!");  
25. } catch (Exception e) {  
26. e.printStackTrace();  
27. }  
28. }  
29. public static void main(String[] args) {  
30. new MyPrintTest().executePrint("testing Printing");  
31. }